baber/WOPTO huggingface dataset:
Patent JP-H03184235-A (JP)
Title: Manufacture of helix for traveling-wave tube
Inventor: SEO KOKICHI
IPC: H01J23/26
Filed: 1989-12-14
Abstract: PURPOSE:To enhance the dimensional accuracy of the pitch of a spiral and its line width by forming the spiral from a metal pipe having a specified dimension using an electric discharging machine. CONSTITUTION:A metal pipe 1 having the same dimension as the inner and outer dias. of the final helix is processed by a wire electric discharge machine capable of processing without applying external force to the pipe 1 so that the spiral is equipped with a rectangular profile. That is, the metal pipe 1 is rotated at a constant low speed and moved at constant low speed, and electric discharge machining is made in the condition the wire electrode 5 of the discharge machine 2 is held at a constant angle to the metal pipe 1. This gives the helix 9 a rectangular profile free of deformation, and the dimensional accuracy of the pitch and line width and can also be enhanced.
Patent JP-2001138599-A (JP)
Title: Printer
Inventor: FUKUDA YUTAKA
IPC: B41J23/02
Filed: 1999-11-16
Abstract: PROBLEM TO BE SOLVED: To sufficiently reduce the cost in a device wherein a paper conveying means and a printing means are driven by one motor. SOLUTION: This printer comprises a paper conveying means 3 for conveying a recording paper in a predetermined direction, a printing means 1 for performing the printing on the recording medium by being reciprocated in a direction perpendicular to the conveyance direction of the recording paper, one motor 30 for selectively driving the paper conveying means 3 and the printing means 1, and a switching/transmitting means 31 for selectively transmitting the driving source of the motor 30 to either one of the paper conveying means 3 and the printing means 1.  The switching/transmitting means 31 comprises a first transmission member 32 for transmitting the driving force to the paper conveying means 3, a second transmission member 33 for transmitting the driving force to the printing means 1, a driving member 35 fixed to the motor 30, an intermediate transmission member 36 which is coupled to the driving member 35 and selectively coupled to the first and second transmission members 32, 33, and a switching mechanism 37 that switches the coupling of the intermediate transmission member 36 with the first and second transmission members 32, 33.
Patent JP-H08181546-A (JP)
Title: Level shift circuit
Inventor: YADA TOSHIAKI
IPC: H03K19/018
Filed: 1994-12-27
Abstract: PURPOSE: To keep a DC level of an output signal constant by controlling level fluctuation of the output signal in response to the fluctuation in the DC level of an input signal. CONSTITUTION: An input signal is fed to a 1st circuit comprising a 1st buffer 8, a 1st resistor R, and a 1st constant current source 11, and a DC component from the input signal is fed to a 2nd circuit comprising a 2nd buffer 9, a 2nd resistor R21 and a 2nd constant current source 12. A reference voltage and a voltage obtained by subtracting a voltage drop across the 2nd resistor R2 from the DC component are applied to an operational amplifier 10, its output is used to control the 1st constant current source 11 and the 2nd constant current source 12. Thus, an output voltage with a prescribed shift level resulting from correcting the fluctuation of the DC component of the input signal is corrected is obtained.
Patent JP-H01166910-A (JP)
Title: Manufacture of prepreg
Inventor: YAMAGUCHI TAKASHI
IPC: B29B15/08
Filed: 1987-12-24
Abstract: PURPOSE:To prevent resin component evaporated or sublimated in the air from adhering onto the inner wall of a duct by a method wherein the air flowing in a duct for circulating air is heated up to or held at the same high temperature as the ambient temperature in a drying cylinder, when the high temperature air used for drying is circulating used. CONSTITUTION:Ducts 15a, 15b, 15c, 15d and 15e among external ducts are thermally retained by heating medium. In addition, the low temperature air introduced from outside is held at the same high temperature as that of circulating air so as to join at the duct 15c. Accordingly, the air, which is exhausted from the exhaust ports 6 of the second zone 6 of a drying cylinder, does not cool down during circulation and can be reused, resulting in allowing to prevent resin from adhering onto the wall surface in the interior of the ducts.
Patent JP-H08184283-A (JP)
Title: Advanced excavation work of guide tunnel in side wall
Inventor: SAKAI TAKASHI
IPC: E21D13/00
Filed: 1994-12-27
Abstract: PURPOSE: To dispense with overbreak, by excavating advanced guide tunnels so as to make vertically long elliptical forms so that the advanced guide tunnels are superposed with the main tunnel side wall in the peripheral lines. CONSTITUTION: Vertically long elliptic advanced guide tunnels 21, 22 inscribing a part of the lower part of the side wall so as to superpose with each other in the peripheral line, are excavated at the lower positions of both side walls of the main tunnel 20 section. The excavated tunnel 1 is supported to form a ring along the circumstance of the tunnel wall by H-shaped steels and protected by sprayed concrete on the wall face. Thereafter, on excavating the main tunnel, the space between the upper ends of both side walls of the superposed parts of the main tunnel side walls is supported by H-shaped steel members or wound with segments 4, while the segments or supports of the advanced guide tunnels 21, 22 are re moved or cut with muck in parallel with excavation of the upper half. Subsequently, on constructing the main tunnel invert in excavation of the lower half, the H-shaped members of the advanced tunnels are used or concrete is placed between the lower ends of both side walls of segments or PC concrete slabs are laid down. In this way, the side walls of the main tunnel are used in common at the superposed part with the advanced tunnels and only the upper part and the lower invert part as the rest may be excavated.
Patent JP-2000138079-A (JP)
Title: Connector for connecting substrate
Inventor: ITO NAOTOSHI
IPC: H01R13/631
Filed: 1998-10-30
Abstract: PROBLEM TO BE SOLVED: To provide a connector for connecting a substrate capable of absorbing a vibration or a shock applied to one of connectors without transmission to the other connector in a coupled state. SOLUTION: The plug part 9 of a plug connector 2 and the receptacle part 21 of a receptacle connector 3 can be coupled to each other, and clearance is formed between the plug part 9 and the receptacle part 21 so as to form a play in the Z-axis direction of a coupling direction, a Y-axis direction (horizontal direction) orthogonal with the Z-axis direction and an X-axis direction orthogonal with the Z- and Y-directions respectively in a coupled state. A play in the Z-axis direction is restricted, due to the contact of the opening end 21b of the receptacle 21 and the coupling edge 8b of the body 8 of the plug connector 2, while a play in the X- and Y-directions are restricted, due to the contact of the outer wall of the plug part 9 and the inner wall of the receptacle part 21.  In addition, the coupled state of the contact part 17 of the terminal 7 of the plug connector 2 and the contact part 25 of the terminal of the receptacle connector 3 is maintained within the range of the restricted play.
Patent JP-H07153422-A (JP)
Title: Fluorescent lamp
Inventor: SAITO NAOTO
IPC: H01J61/067
Filed: 1993-11-30
Abstract: PURPOSE:To provide a technique optimum for low electric power consumption in fluorescent electric discharge where the body structure comprising a mercury discharging alloy and an alloy getter is used as an electric discharge electrode. CONSTITUTION:A fluorescent lamp is constituted of mainly a container 1 having a phosphor coating film at the inner surface thereof, an electric discharge electrode housed inside the container, and a lead 2 connected to the electric discharge electrode and exposed outside the container. Such an electric discharge electrode is adopted as the one provided with the body structure 3, where a mercury discharging alloy 5 including mainly an inter-metal compound of titanium and mercury and an alloy getter 6 mainly including an inter-metal compound composed of one of zirconium and titanium and one of aluminum and nickel are filled inside a cylindrical body 4 having an opening end oriented toward the center of the container, and an electron radiating substance 12 disposed in the outer periphery of the cylindrical body 4.
Patent JP-H03186916-A (JP)
Title: Pin converter
Inventor: OTA YUJI
IPC: G06F3/00
Filed: 1989-12-18
Abstract: PURPOSE:To obtain versality between devices different in mutual interface specification by providing a setting part which can programmably set the connection relation of a first device and a second device. CONSTITUTION:The setting part 19 is provided between an IC socket 13 and a plug part 14 in a pin conversion adapter 11, and the setting part 19 programmably sets the connection relation of an EPROM on-chip microcomputer and an EPROM writer. The setting is executed based on pin information used for executing writing/verifying into a built-in storage element in the EPROM on-chip micro computer. Thus, a pin converter having versality can be obtained between the devices different in mutual interface specification.
Patent JP-2000137414-A (JP)
Title: Image forming device
Inventor: HAYAKAWA KUNIO
IPC: G03G21/00
Filed: 1998-10-30
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device capable of informing to a user of the other operation part, when one of the operation part is in use, in the image forming device provided with two operation parts. SOLUTION: This image forming device is provided with a fixed operation part 101, and the movable operation part 102 on a body 100. An operation key and a display part for detecting in use is respectively disposed on each operation part. The convenient image forming device, made possible to avoid a trouble between users is provided, by displaying to the effect that the device is used by the other operation part, on the display part in the other operation part base on this detection, when the user detects the other operation part is in use, by means of depressing the operation key.
Patent JP-H05156813-A (JP)
Title: Concrete placing and leveling device
Inventor: KISHINO TOMIO
IPC: E04G21/10
Filed: 1991-12-10
Abstract: PURPOSE:To perform concrete placing work continuously and reduce construction cost by providing a concrete placing pipe, a leveling blade, a level adjusting mechanism, a vibrating plate, and a rotation mechanism for the leveling blade on a carriage. CONSTITUTION:When a device is moving forward slowly at a construction speed by the driving force of a traveling engine 2e, concrete is supplied from a concrete placing pipe 4. The concrete supplied from the concrete placing pipe 4 is leveled horizontally by the rotation of a leveling blade 3 to complete rough leveling and level setting. The concrete surface comes into contact with a vibrating plate 6 which is vibrated by a vibrator 6a together with advance of the placing and leveling device 1, so that the concrete surface which has been leveled by the leveling blade 3 is made smooth and screeded with a fixed level. It is thus possible to perform a process from the supply of concrete to be placed to rough leveling, level setting, and screeding with a single concrete placing and leveling device 1 so as to improve work efficiency.
Patent JP-H11158173-A (JP)
Title: Bifunctional six-membered carbonate compound
Inventor: HIDAKA HIROYUKI
IPC: C07D319/06
Filed: 1997-11-27
Abstract: PROBLEM TO BE SOLVED: To obtain a new compound usable as a raw material for polymers and having higher reactivity than that of a five-membered ring compound. SOLUTION: This compound is represented by formula I (R is H or a short- chain alkyl), e.g. a compound represented by formula II. The compound represented by formula I is obtained by initially reacting an alkylmalonic ester compound represented by formula III (e.g. diethyl malonate) with a xylylene halide compound represented by formula IV (e.g. p-xylylene dichloride) in an organic solvent such as tetrahydrofuran at normal temperatures to the boiling point of the solvent used for 0.5-20 hr, synthesizing a tetraester compound, then reducing the resultant tetraester compound in an organic solvent with a metal hydrogen complex compound such as lithium aluminum hydride at the same temperature for the same time as those described above, synthesizing a tetrol compound and reacting the prepared compound with a phosgene, etc., (e.g.  triphosgene) in an organic solvent without any nucleophilicity such as pyridine at the same temperature for the same time as those described above.
Patent JP-H04195027-A (JP)
Title: Laser wavelength converter
Inventor: TAKEHISA KIWAMU
IPC: G02F1/37
Filed: 1990-11-28
Abstract: PURPOSE:To cause wavelength conversion by temperature phase matching and to simplify a laser wave length converter by providing a wavelength plate for rotating a laser beam transmitted through a polarizing beam splitter and a non-linear optical element at a specified angle and irradiating the non-linear optical element. CONSTITUTION:The laser beam 1a(omega wave) is made to enter the non-linear optical element 3 through the polarizing beam splitter. The temperature of the non-linear optical element 3 is raised, and 2omega wave is fetched as the laser beam 1d by a dichroic mirror 4. Then, the laser beam 1b is made incident on the 1/2 wavelength plate 11a and rotated so that s deflecting direction is made different by 90 deg. between the laser beams 1f and 1g. Furthermore, the laser beam 1e is made to enter the optical element 3 again and the temperature of the element 3 is raised near to a phase matching temperature to cause the wavelength conversion. Thus, the wavelength conversion is realized without using an oven and the cost of the device is reduced.
Patent JP-H10172635-A (JP)
Title: Thunder surge protective device
Inventor: MORITA SATORU
IPC: H02H9/04
Filed: 1996-12-06
Abstract: PROBLEM TO BE SOLVED: To suppress reduction of the dielectric strength caused by adhesion of water content or conductive dust by forming a rugged part on the center line to connect terminals and the perpendicular surface on a resin part between connection terminals on a terminal block, and providing an insulation wall to connect tips of a projected part of the rugged part parallel to the center line to each other. SOLUTION: A rugged part 4 is constituted making use of external connection terminals 3 in which the insulation strength of a terminal block 1 is required, the creepage distance along the surface of the rugged part 4 is expanded, and the insulation strength is improved so that the creepage distance is not reduced from the space distance formed by the distance L even in the presence of water drops and dust. In addition, a projected part 18 is formed on a case lid 16, and a zigzag barrier structure in which the projected part 18 of the case lid 16 is engaged with the rugged part 4 between the external connection terminals 3 can be formed by fitting the case lid 16 to the case 5. The insulation strength is further improved together with expansion of the creepage distance.
Patent JP-H03186873-A (JP)
Title: Developer replenishing device
Inventor: MIKAWA SUSUMU
IPC: G03G15/08
Filed: 1989-12-15
Abstract: PURPOSE:To prevent the replenishment ability of developer from lowering by providing a rotating brush where a force given to the mesh of the brush is changed in accordance with rotation of a rotary shaft. CONSTITUTION:The rotating brush 55 which rotates under coming in contact with the upper surface of the mesh 59 supported through an elastic body 58 is allowed to give vibration to the mesh 59 by discontinuously rotating the brush 57 in a rotating direction or changing the hardness thereof. Therefore, the mesh 59 is vibrated in accordance with rotation of the rotating brush 55 and toner stuck to the lower surface of the mesh 59 is removed, so that the bridging of the toner on the lower surface of the mesh is prevented and the rate of perforation of the mesh is maintained to be a fixed value. Thus, the toner is stably replenished.
Patent JP-H11159054-A (JP)
Title: Wall panel and mounting method for mounting bracket on wall panel
Inventor: INOUE YUKIHIKO
IPC: E04C2/06
Filed: 1997-11-27
Abstract: PROBLEM TO BE SOLVED: To provide a wall panel without damageability in the end, even when a part near the end is fixed with a fixing means, and without fear of falling of a fixing jig. SOLUTION: This wall panel 10 has a hardening body 11 formed of an inorganic hardening composition reinforced by a reinforcing member. The reinforcing member includes a reinforcing frame 12 formed of exposure portions 14a-18a exposed to the back 10b of the wall panel 10 and embedded portions 14b-18b embedded in the hardening body 11, part of the exposure portions 14a-18a being used as a fixing jig 19 to fix it to a mounted body.
Patent JP-H09165636-A (JP)
Title: Aluminum matrix composite excellent in adhesion resistance and its production
Inventor: NUKAMI TETSUYA
IPC: C22C47/08
Filed: 1995-12-15
Abstract: PROBLEM TO BE SOLVED: To provide an Al matrix composite excellent in adhesion resistance and its production. SOLUTION: The Al matrix composite is constituted by reinforcing an Al matrix with reinforcements. As the reinforcements, primary-crystal Si grains of <=20μm average grain size, eutectic Si grains of <=1μm average grain size, and NiAl3 are contained. The amount of the reinforcements is set at 19-41vol.% in total. The Al matrix composite is formed by impregnating the pores of a powder compact containing the reinforcements with molten Al containing Si and solidifying them. This Al matrix composite is applicable, e.g. to a member 51 holding a piston ring in a piston 5 of an engine.
Patent JP-H06170625-A (JP)
Title: Diaphragm chuck device
Inventor: OGAWA ISAO
IPC: B23B31/32
Filed: 1992-12-07
Abstract: PURPOSE:To always hold a work holding force uniformly by energizing pressingly a brake weight section on a contact section by a centrifugal force given to the brake weight section to oppose a diaphragm to a force which deforms it in the opening direction of the claws. CONSTITUTION:When a work W is held by multiple claws 5, air is fed to a fluid path 11 to move a piston 8 rightward and deform protrudedly the opening section 4 side of a diaphragm 3 toward the outside through a force transmitting section 12. By this deformation, the claws 5 are opened toward the outside and, while a work W is inserted into the inside of the claws 5, pressure fluid inside a space 9 is opened from the fluid path 11, etc., to return the diaphragm elastically and also, by its elastic returning force, the claws 5 are closed to hold the work W. Then, when a spindle 2 is rotated, a centrifugal force is given to a brake weight section 13, a claw holder 6, a balance weight section 7, etc., and the brake weight 13 is made in contact pressingly with a contact section 15 to give a uniform holding force to the claws 5.
Patent JP-H07183790-A (JP)
Title: Output buffer drive circuit
Inventor: HIROSE TOMOSHI
IPC: H03K17/16
Filed: 1993-12-24
Abstract: PURPOSE:To prevent the malfunction of an internal circuit due to the simultaneous operations of output buffers in a semiconductor integrated circuit provided with plural output buffers. CONSTITUTION:Pulse generaters using a D-F/F 10 respectively output pulses with signals from input terminals 1-1 and 1-2 as triggers. They are inputted to a two-input OR 11 and the sum is obtained. The pulses of the sum becomes longer as the overlapping of the output pulses of an internal terminal L2 becomes larger. They are inputted to the clock input of a D-LATCH 12 and only the signals from the input terminal 1-2 are delayed. By using this output buffer drive circuit, the simultaneous operations can be avoided.
Patent JP-H06134631-A (JP)
Title: Xy position control device
Inventor: IWAI IKUO
IPC: F21S2/00
Filed: 1992-10-24
Abstract: PURPOSE:To provide a light, small, inexpensive XY position control device having an improved position control accuracy. CONSTITUTION:A Y direction sliding plate 6 on which a work is mounted is held by two one-direction sliding plates 4, 5 on both sides in the X direction, and which is capable of sliding in the Y direction. These sliding plates 4, 5 are held by a fixed base 2 and a movable base 3 on both sides in the Y direction, and capable of sliding in the X direction. The five plates form an X and Y direction linear moving device. Each side of the X direction. sliding plates 4, 5, the fixed base 2 and the moving base 3 has a groove in which a retaining ring 1 made of four circular spring plates bent inward and linked is fitted to hold the plates 4, 5, and bases 2, 3.
Patent JP-H10172111-A (JP)
Title: Production of thin-film magnetic head
Inventor: KOBAYASHI SHINJI
IPC: G11B5/31
Filed: 1996-12-06
Abstract: PROBLEM TO BE SOLVED: To provide a process with which exact track widths are obtainable and production of a high yield is possible when the process has a stage for forming a lower core layer on a substrate and a stage for forming an upper core layer via a gap spacer layer on this lower core layer. SOLUTION: A magnetic layer 73 is first formed on the surface of the gap spacer layer 6 and thereafter, a resist is applied over the entire surface of this magnetic layer 73 in the stage for forming the upper core layer 7. Next, the surface of this resist is subjected to exposing and developing treatments to form the resist to a resist layer 8 having apertures 82 of the plane shape meeting the shape of the upper core layer 7. The apertures 82 of the resist layer 8 are subjected to plating to form the upper layer parts 72 of the upper core layer 7. Further, the resist layer 8 is removed and thereafter, the surface of the magnetic layer 73 is subjected to ion beam etching with the upper layer parts 72 as a mask, by which the magnetic layer 73 is formed to the lower layer part 71 of the upper core layer 7.
Patent JP-2001144244-A (JP)
Title: Method for manufacturing electronic circuit device
Inventor: TAKAI YUICHI
IPC: H01L25/00
Filed: 1999-11-17
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing an electronic circuit device, in which a plurality of mounting substrates are connected to each other via a bump, thereby realizing an increase in the density and a decrease in wirings of mounting components. SOLUTION: A first mounting part 20 is mounted on a first mounting substrate 10, having first mounting substrate wiring parts 11, 12, 13, 14, 15, and 16 so as to connect with the first mounting substrate wiring parts, and a bump 23 is formed on the first mounting substrate so as to contact with the first mounting substrate wiring part, and a second mounting substrate 30 having second mounting substrate wiring parts 31, 32, 33, and 34 is laminated on the upper layer of the bump, so as to connect the second mounting substrate wiring parts with the bump.  Subsequently, for example, a gap part between the first mounting substrate and the second mounting substrate is sealed with a resin 24, and second mounting parts 35, 37 are mounted on a face on the side opposite to the side of the first mounting substrate of the second mounting substrate, so as to be connected with the second mounting substrate wiring parts.